Rick Watkins Posted February 16, 2015 Share Posted February 16, 2015 Chris or one of you rock guys can you tell me what these are? I was digging a pond a few years ago and found a bunch of these strange rocks egg shaped and 300lbs to 5lbs they all look the same they have many layers that you can peel away to the core which every rock has a core to them containing what lookslike another egg all the cores are about the same size and are very heavy looks like a basalt egg.Only way i can describe them is if you could take this little egg and roll it up like a snowball untill it was a big boulder. These were below10 feet of topsoil and in a light layer of small rock with dirt looks like this layer had been in water, they were very random where i would find one. Bedrock was17 feet and they were anywhere from here up to the topsoil level. I havent got a clue what formed here can someone give me an opinion, thanks. RICK Link to comment Share on other sites More sharing options...
deathray Posted February 16, 2015 Share Posted February 16, 2015 have you cracked one open yet? Link to comment Share on other sites More sharing options...
Reno Chris Posted February 16, 2015 Share Posted February 16, 2015 Really hard to say from just a photo, but it appears to be some kind of concretion. Link to comment Share on other sites More sharing options...
Rick Watkins Posted February 16, 2015 Author Share Posted February 16, 2015 I havent cracked one of the inside eggs yet,or could cut one on a rock saw i guess. Looks like they fofmed somehow rolling. Link to comment Share on other sites More sharing options...
Reno Chris Posted February 16, 2015 Share Posted February 16, 2015 They grow in mud in layers like shells. See: http://en.wikipedia.org/wiki/Concretion Link to comment Share on other sites More sharing options...
Bob(AK) Posted February 16, 2015 Share Posted February 16, 2015 They often have a fossil in the center, 1 Link to comment Share on other sites More sharing options...
tvanwho Posted February 16, 2015 Share Posted February 16, 2015 A fossil hunter I chatted with this weekend, says concretions found near strip coal mines have the BEST chance of containing fossils. They are generally oval shaped , not round, and can have fossil fish, ferns, trilobites, and such..and these fossil bearing concretions are generally reddish /orange -Tom Link to comment Share on other sites More sharing options...
Rick Watkins Posted February 17, 2015 Author Share Posted February 17, 2015 Thanks for the info.guys, looks like some good research thanks chris. I will cut some of the inside eggs and see whats there,we are in very fossilized country here i live 20 miles from fossil oregon they find fossils regularly at the highshool track there. Maybe space eggs i like that old theory. The picture of the two small eggs is the centers of them. Link to comment Share on other sites More sharing options...
Gold Seeker Posted February 17, 2015 Share Posted February 17, 2015 Thanks for the info.guys, looks like some good research thanks chris. I will cut some of the inside eggs and see whats there,we are in very fossilized country here i live 20 miles from fossil oregon they find fossils regularly at the highshool track there. Maybe space eggs i like that old theory. The picture of the two small eggs is the centers of them. Rick, I'm not so sure I would cut into those "eggs" maybe an alien inside them, once you release one it will release all the others , it will be Orson Wells all over again, the War of The Worlds, Martians attacking everywhere!!! Link to comment Share on other sites More sharing options...
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